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packed column technology Articles

During planned shutdowns, the equipment in refineries and petrochemical plants has to be checked. The downtime can require several weeks when tanks, vessels, distillation columns, and pipes have to be drained and cleaned for i maintenance or repair. Shutdowns are labour-intensive and require accurate scheduling and organisation between all projects, as often hundreds of workers are ...

Since university research on mass transfer columns has decreased significantly in recent years, it is discussed whether the current knowledge of mass transfer technology for trays, packing materials, and column internals is sufficient to design energy- and cost-efficient systems. Points of view are described that have not yet been clarified from an industrial position and should play an important ...

Treatment of AMD with fly ash (FA) is a promising technology but solid residues (SR) generated in the process pose a disposal challenge. This study evaluates the suitability of the SR and SR, FA/ordinary Portland cement (OPC) blends for backfill in mine voids and in–situ treatment of AMD flows. The mitigation of AMD in a mine void was simulated by addition of simulated acid mine drainage ...

Separation of proteoforms for global intact protein analysis (i.e. top-down proteomics) has lagged well behind what is achievable for peptides in traditional bottom-up proteomic approach and is becoming a true bottle neck for top-down proteomics. Herein, we report use of long (≥1 M) columns containing short alkyl (C1-C4) bonded phases to achieve high-resolution RPLC for separation of ...

A few years ago Union Camp turned a corner. Management decided that advance planning would take the place of reacting after the fact to an emergency or regulatory agency demands. At Union Camp’s Dover, OH. facility, byproducts of the paper industry are converted into usable specialty chemicals for cosmetics, adhesives and other industries. Crystallization is a process used intensively with ...

Soil vapor extraction (SVE), thermal desorption, and incineration are the presumptive remedies for Superfund sites with nonhalogenated VOC-contaminated soil. Because a presumptive remedy is a technology that EPA believes, based upon its past experience, generally will be the most appropriate remedy for a specified type of site, the presumptive remedy approach will accelerate site-specific ...

Woodside Pluto Project Burrup Peninsula Pluto LNG has a production capacity of 4.3 million tons a year Operational since 2011 Challenge Treatment of Produced Water and site Waste water for high standard discharge to sea and partial use for Boiler feed Water. Veolia provided D&B of WW & Demin package: ...

It may be necessary to know other subsurface information to provide remediation of VOCs in the ground water. Treatability studies to characterize the biodegradability may be needed for any biodegradation technology. Treatability studies are usually necessary to ensure that the contaminated ground water can be treated effectively at the design flow. A subsurface geologic characterization would be ...

It may be necessary to know other subsurface information to remediate fuels in ground water. Treatability testing to characterize contaminant biodegradability and nutrient content may be needed for any biodegradation technology. A subsurface geologic characterization would be particularly important to characterize the migration of NAPLs. Recovery tests are usually necessary to design a ...

It may be necessary to know other subsurface information to provide remediation of VOCs in the ground water. Treatability studies to characterize the biodegradability may be needed for any biodegradation technologies. Treatability studies are usually necessary to ensure that the contaminated ground water can be treated effectively at the design flow. A subsurface geologic characterization would ...

Inpex Ichthys Project, Browse Basin, 220 km of Western Australia 8.9 million tons LNG/year; 1.6 million tons LPG/year; 100.000 barrels Condensate/day. Central Processing Facility on Semi-Submersible Platform separates Condensate and Gas. Gas is sent by pipeline to Darwin. Condensate is stored on FPSO. The MPPE unit is located on the FPSO. ...

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